[INFO] cloning repository https://github.com/William103/simple-rust-s-expression-evaluator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/William103/simple-rust-s-expression-evaluator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliam103%2Fsimple-rust-s-expression-evaluator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliam103%2Fsimple-rust-s-expression-evaluator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e04b0d5257c1ea995e909ecceabb110210afe38
[INFO] testing William103/simple-rust-s-expression-evaluator against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliam103%2Fsimple-rust-s-expression-evaluator" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/William103/simple-rust-s-expression-evaluator on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/William103/simple-rust-s-expression-evaluator
[INFO] finished tweaking git repo https://github.com/William103/simple-rust-s-expression-evaluator
[INFO] tweaked toml for git repo https://github.com/William103/simple-rust-s-expression-evaluator written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/William103/simple-rust-s-expression-evaluator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 078753856e78e7c16406b0b51201134f4a01315f4fb1ef370bd407a2bb60dce0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "078753856e78e7c16406b0b51201134f4a01315f4fb1ef370bd407a2bb60dce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "078753856e78e7c16406b0b51201134f4a01315f4fb1ef370bd407a2bb60dce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "078753856e78e7c16406b0b51201134f4a01315f4fb1ef370bd407a2bb60dce0", kill_on_drop: false }`
[INFO] [stdout] 078753856e78e7c16406b0b51201134f4a01315f4fb1ef370bd407a2bb60dce0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0798206398f8fb8b814cc494cfb6be5a116761b50e75b5a373d178b4918aa2b5
[INFO] running `Command { std: "docker" "start" "-a" "0798206398f8fb8b814cc494cfb6be5a116761b50e75b5a373d178b4918aa2b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling s_expression_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "0798206398f8fb8b814cc494cfb6be5a116761b50e75b5a373d178b4918aa2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0798206398f8fb8b814cc494cfb6be5a116761b50e75b5a373d178b4918aa2b5", kill_on_drop: false }`
[INFO] [stdout] 0798206398f8fb8b814cc494cfb6be5a116761b50e75b5a373d178b4918aa2b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4789a7411702a121789b87c8939e86f9fd61f891004c14ce1a708e1888c419f8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4789a7411702a121789b87c8939e86f9fd61f891004c14ce1a708e1888c419f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling s_expression_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "4789a7411702a121789b87c8939e86f9fd61f891004c14ce1a708e1888c419f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4789a7411702a121789b87c8939e86f9fd61f891004c14ce1a708e1888c419f8", kill_on_drop: false }`
[INFO] [stdout] 4789a7411702a121789b87c8939e86f9fd61f891004c14ce1a708e1888c419f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea1af24436ba2d7484a346a8a32c1f4604696a6e0faa663e3d2577244d3b48b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea1af24436ba2d7484a346a8a32c1f4604696a6e0faa663e3d2577244d3b48b7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/s_expression_parser-36b38e1aa32dfaf4
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea1af24436ba2d7484a346a8a32c1f4604696a6e0faa663e3d2577244d3b48b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1af24436ba2d7484a346a8a32c1f4604696a6e0faa663e3d2577244d3b48b7", kill_on_drop: false }`
[INFO] [stdout] ea1af24436ba2d7484a346a8a32c1f4604696a6e0faa663e3d2577244d3b48b7